build common unit test sources into a static library and link with it

  return()

endif()

set(TEST_COMMON_FILES yaml_writer.cpp;error_stats.cpp;test_config_reader.cpp;test_main.cpp)

set(TEST_INPUT_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/tests)

add_library(style_tests STATIC yaml_writer.cpp error_stats.cpp test_config_reader.cpp test_main.cpp)

target_compile_definitions(style_tests PRIVATE TEST_INPUT_FOLDER=${TEST_INPUT_FOLDER})

target_link_libraries(style_tests PRIVATE MPI::MPI_CXX Yaml::Yaml)

# pair style tester

add_executable(pair_style pair_style.cpp ${TEST_COMMON_FILES})

target_link_libraries(pair_style PRIVATE lammps GTest::GMock GTest::GTest Yaml::Yaml)

target_compile_definitions(pair_style PRIVATE TEST_INPUT_FOLDER=${TEST_INPUT_FOLDER})

add_executable(pair_style pair_style.cpp)

target_link_libraries(pair_style PRIVATE lammps GTest::GTest GTest::GMock style_tests)

# tests for a molecular systems and related pair styles

file(GLOB MOL_PAIR_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/mol-pair-*.yaml)

endforeach()

# bond style tester

add_executable(bond_style bond_style.cpp ${TEST_COMMON_FILES})

target_link_libraries(bond_style PRIVATE lammps GTest::GMock GTest::GTest Yaml::Yaml)

target_compile_definitions(bond_style PRIVATE TEST_INPUT_FOLDER=${TEST_INPUT_FOLDER})

add_executable(bond_style bond_style.cpp)

target_link_libraries(bond_style PRIVATE lammps GTest::GTest GTest::GMock style_tests)

file(GLOB BOND_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/bond-*.yaml)

foreach(TEST ${BOND_TESTS})

endforeach()

# angle style tester

add_executable(angle_style angle_style.cpp ${TEST_COMMON_FILES})

target_link_libraries(angle_style PRIVATE lammps GTest::GMock GTest::GTest Yaml::Yaml)

target_compile_definitions(angle_style PRIVATE TEST_INPUT_FOLDER=${TEST_INPUT_FOLDER})

add_executable(angle_style angle_style.cpp)

target_link_libraries(angle_style PRIVATE lammps GTest::GTest GTest::GMock style_tests)

file(GLOB ANGLE_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/angle-*.yaml)

foreach(TEST ${ANGLE_TESTS})